GB/T 45726-2025
声学 机器设备发射的高频声功率级测定
Acoustics—Determination of high-frequency sound power levels emitted by machinery and equipment
- 实施日期
- 2025-12-01
- ICS 分类
- 17.140
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 265 条
GB/T 45726-2025
Acoustics—Determination of high-frequency sound power levels emitted by machinery and equipment
GB/T 16405-2025
Acoustics—Measurement of insertion loss of ducted silencers without flow—Laboratory survey method
GB/T 3241.1-2025
Electroacoustic—Octave-band and fractional-octave-band filters—Part 1: Specifications
GB/T 17249.1-2025
Acoustics—Recommended practice for the design of low-noise workplaces containing machinery—Part 1: Noise control strategies
GB/T 20441.8-2025
Electroacoustics—Measurement microphones—Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison
GB/T 20441.7-2025
Electroacoustics—Measurement microphones—Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones
GB/T 20243.2-2025
Acoustics—Measurement of the influence of road surfaces on traffic noise—Part 2: The close-proximity method
GB/T 4130.2-2024
Acoustics—Calibration of hydrophones—Part 2: Procedures for low frequency pressure calibration
GB/T 7341.3-2024
Electroacoustics—Audiometric equipment—Part 3: Test signals of short duration
GB/T 4214.17-2024
Test method for noise of household and similar electrical appliances—Particular requirements for dry-cleaning robots
GB/T 44042-2024
Test method for underwater radiated noise from ships
GB/T 5111-2024
Acoustics—Measurement of noise emitted by railbound vehicles
GB/T 43943-2024
Environmental noise emitted by vessels
GB/T 43945-2024
Cabin noise prediction for ships based on statistical energy analysis
GB/T 6881-2023
Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for reverberation test rooms
GB/T 3785.2-2023
Electroacoustics—Sound level meters—Part 2: Pattern evaluation tests
GB/T 3785.1-2023
Electroacoustics—Sound level meters—Part 1: Specifications
GB/T 42553-2023
Electroacoustics—Methods to determine corrections to obtain the free-field response of a sound level meter
GB/T 42559-2023
Acoustics—Measurement of phase-shifted sensitivity of interferometric fiber-optic hydrophones
GB/T 4214.3-2023
Test method for noise of household and similar electrical appliances—Particular requirements for dishwashers